luis leon. >> let us about our heads in prayer. let us pray. gracious god, let us revisit this good plan for our heritage. we humbly pray we will always allowed to do your will. we pray that you will save us from violence, discord, and confusion, from pride, arrogance and fear of each other. to send our liberties and fashioned into one united people the multitude. we pray that he will shower with your life giving spirit those with whom we trust the authority of our government. that we may be a blessing to all the nations of the world. in a time of prosperity, fill our thoughts with thankfulness, and let us not lose our trust in you. let this national tree be a reminder that in some inexplicable way you are standing next to us at all times. all this we ask in your most holy name, amen. >> good evening. i have asked the national park foundation and the national park service. it is a privilege to participate in the national christmas tree lighting. 90 years ago, the scrams tradition -- this grand tradition began. through the years, the tradition h